| Dinophysis uracantha var. uracantha F. Stein, 1883 |
| Dinophysis uracanthoides (Jørg.) F. Gómez, P. López-García & D. Moreira, 2011 |
| Dinophysis urceolus Kof. & Skogsb., 1928 |
| Dinophysis whittingiae Balech, 1971 |
| Heteroschisma Kof. & Skogsb., 1928 |
| Heteroschisma inaequale Kof. & Skogsb., 1928 |
| Heteroschisma longialata (Gaarder) Balech, 1967 |
| Heteroschisma pirum (Gaarder) Balech, 1967 |
| Heteroschisma subantarcticum Balech, 1971 |
| Histioneis F. Stein, 1883 |
| Histioneis acuta Böhm, 1931 |
| Histioneis biremis F. Stein, 1883 |
| Histioneis carinata Kof., 1907 |
| Histioneis cerasus Böhm, 1931 |
| Histioneis costata Kof. & J.R. Michener, 1911 |
| Histioneis crateriformis F. Stein, 1883 |
| Histioneis cymbalaria F. Stein, 1883 |
| Histioneis depressa schiller, 1928 |
| Histioneis dolon Murray & Whitt., 1899 |
| Histioneis elongata Kof. & J.R. Michener, 1911 |